From: Clint Adams <schizo@debian.org>
To: zsh-workers@sunsite.dk
Cc: Wessel Dankers <wsl-deb@fruit.eu.org>, 112424-forwarded@bugs.debian.org
Subject: Re: Bug#112424: zsh: zsh can't read from /proc
Date: Mon, 17 Sep 2001 11:34:50 -0400 [thread overview]
Message-ID: <20010917113450.A15463@dman.com> (raw)
In-Reply-To: <20010916091351.593.qmail@bzzrt.pooh.oi>; from wsl-deb@fruit.eu.org on Sun, Sep 16, 2001 at 11:13:51AM +0200
Do we want to special-case this?
> zsh seems to have trouble reading from /proc special files.
> For example:
>
> bzzrt:/home/wsl% read HOST </proc/sys/kernel/hostname
> 1 b:/home/wsl% cat /proc/sys/kernel/hostname | read HOST
> bzzrt:/home/wsl%
>
> After the first command, $HOST is set to "b" and the return code of
> the command is 1 (my prompt is configured to show this). When using
> cat everything is fine, and $HOST is once again set to the proper
> host name ("bzzrt").
>
> The problem is that zsh reads files one byte at a time. This is
> perfectly legitimate of course, but Linux does not seem to support
> that for /proc files. An acceptable workaround for Linux' poor
> performance would be to fstat(stdin) and use a large read if stat
> reports a zero file size (and the file is a plain file).
>
> Of course, the real location to fix this would be the Linux kernel.
next parent reply other threads:[~2001-09-17 15:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20010916091351.593.qmail@bzzrt.pooh.oi>
2001-09-17 15:34 ` Clint Adams [this message]
2001-09-17 16:39 ` Bart Schaefer
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